SITUATION EXPLAINED: What are the five most defensible positions in an AI-first economy? We asked @FleetingBits, anonymous AI researcher. "I like to joke that there are only five jobs in the future. You can sell compute to a lab, you can sell data to a lab, you can work at a lab, you can be forward deployed for a lab, or you can work for the government." "There are a whole bunch of businesses that are essentially forward deployed for the labs. And the worry is that the labs later come in and…